Q100 The following data refers to a test on a single-cylinder four-stroke oil engineCylinder bore 220 mm; stroke 360 mm; area of indicator diagram 360mm ²;length of diagram 40mm; indicator spring rating = 1.25 mm/bar; Speed 300 rev/minbrake load 441.3 N at 0.9m radius; fuel consumption 3.8 Kg/hr; Calorific valueof fuel 43124 kj/kg; Cooling water flow 3.8kg/hr; rise in temperature of coolingwater 48K; and specific heat capacity of water 4.1868 kj lkg. k. god valamilyCalculate: @the mechanical efficiency the indicated thermal efficiency loThe heat balance sheet expressed as kj/min andas percentage of the heatsupplied to the engine.

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Answered: Q100 The following data refers to a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Q1. During a test on a two stroke diesel engine on full load the following observations were recorded: Speed= 350 rpm Net brake load= 590 N Mean effective pressure= 2.8 bar Fuel consumption=4.3 kg/h Jacket cooling water= 500 kg/h Temperature of jacket water at inlet and outlet= 25°C and 509C respectively Air used per kg of fuel= 33kg Temperature of air in test room= 25°C Temperature of exhaust gases= 400°C Cylinder diameter= 220 mm Stroke length= 280 mm Effective brake diameter= 1 m Calorific value= 43900 KI/kg Proportion of hydrogen in fuel= 15% Mean specific heat of dry exhaust gases= 1.0 KI/kg K Specific heat of steam= 2.09 KJ/kg K Calculate: (1) indicated power (2) brake power (3) draw up heat balance sheet on minute basis.
The following data were obtained during a test of six cylinder otto cycle engine. Speed 2000 rpm, bore 3.5 in stroke 3.75 in, specific fuel consumption base on brake hp.66 lbs. / bhp-hr, brake arm 1.05 ft. HHV of fuel 20000 Btu/lb, Brake Torque 133 ft-lb, friction torque 40 ft-lb room temperature 90 F. barometric pressure 14.7 psia Find:a.) BHP=b.) BMEP=c.) IMEP=d.) IHP=e.) BRAKE THERMAL EFFICIENCY=f.) INDICATED THERMAL EFFICIENCY=
1. A four stroke diesel engine gave the following test results at a speed of 450 RPM. Mean effective pressure - 850 kPa Cylinder bore - 22 cm. Stroke - 26 cm. Specific fuel consumption - 0.32 kg/BHP.hr Calorific value of fuel – 45000 kJ/kg. Mechanical Efficiency = 88% Determine the (a) BHP, (b) IHP, (c) Indicated themal efficiency, and (d) Brake thermal efficiency.
ENGINE SPECIFICATIONS: Engine Type : Four cylinder Four stroke Diesel engine, Bore: 0.073m, Stroke: 0.0889m Capacity: 1489cc, Power: 36 H.P. at 4000 rpm, Torque : 8.5 kg.m at 2250 rpm and Compression Ratio :17.3:1 Explain how to measure the :- (i) Fuel consumption. (ii) (iii) Manometer readings for air flow. RPM, power output etc. Study of various components of diesel engine.
this problem is related to ic engine .please the numerical problem
Engine Type Four cylinder Four stroke Diesel engine, Bore: 0.073m, Stroke: 0.0889m Capacity: 1489cc, Power: 36 H.P. at 4000 rpm, Torque : 8.5 kg.m at 2250 rpm and Compression Ratio :17.3:1 Explain how to measure the :- (i) Fuel consumption. (ii) (iii) RPM, power output etc. (iv) Study of various components of diesel engine. Manometer readings for air flow.
ENGINE SPECIFICATIONS: Engine Type: Single cylinder Four stroke Diesel engine, Bore: 0.0875m, Stroke: 0.11m Capacity: 661.5 cc, Power: 6 H.P. at 1500 rpm, Torque: 2.96 kg.m at 1500 rpm and Compression Ratio :17.5:1 Explain how to measure the :- (i) Fuel consumption. (ii) Inclined manometer readings for air flow. (iii) RPM, power output etc. (iv) Study of various components of diesel engine.
confused with answer 60% and 69% Please do it correctly or skip if you are unsure. [within 30minutes]
Q3: You are designing a four-stroke cycle diesel engine to provide a brake power of 300 kW naturally aspirated at its maximum rated speed. Based on typical values for bmep and maximum mean piston speed, estimate the required engine displacement, bore and stroke for sensible cylinder geometry, also find the number of engine cylinders. What is the maximum rated engine speed (rev/min) for your design? What would be the brake torque (N-m) and the fuel flow rate (g/hr) at this maximum speed? Assume a maximum mean piston speed of 12 m/s is typical of good engine designs.
& Calculate the air standard efficiency of a four stroke Otto cycle engine with the following data : Piston diameter (bore) = 137 mm ; Length of stroke = 130 mm ; Clearance volume 0.00028 m². Express clearance as a percentage of swept volume. [Ans. 56.1% ; 14.6%)
Do fast
Engine Type: Single cylinder Four stroke Diesel engine, Bore: 0.0875m, Stroke: 0.11m Capacity: 661.5 cc, Power: 6 H.P. at 1500 rpm, Torque: 2.96 kg.m at 1500 rpm and Compression Ratio :17.5:1 Explain how to measure the :- Fuel consumption. Inclined manometer readings for air flow. RPM, power output etc. (iv) Study of various components of diesel engine. (ii)

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